Alarm system.



O. B. KAISER.

ALARM SYSTEM.

APPLIGATION rILED 00T.17, 1910.

1,073,582. Patented Sept. 16, 1913.

2 SHEETS-SHEET 1.

0. B. KAISER.

ALARM SYSTEM.

APPLIOATION FILED 00T.17, 1910.

2 SHEETS-SHEET 2.

NTED i STATES i PATENT UFFltQE.

OLIVER B." KAISER@ OF RAMONA, OHIO, ASSIGNOR OF ONE-THIRD TO WALTER S.LUDLOW AND ONE-THIRD TO WALTER S. LUDLOW, JR., BOTH OF CNCINNATI,

OHIO.

.ALARM SYSTEDI.

Specification of Letters Patent.

Application filed October 17, 1910.

atentedSept. 16, i913.

Serial No. 587,612.

To all whom it may concern.'

Be it known that l, OLIvnn B. KAISER, a citizen of the United States,residing at Ramona, in the county of Hamilton and State of Ohio, haveinvented new and uscful Improvements in Alarm Systems, of which thefollowing is a specification.

My invention relates to alarm signal systems primarily adapted .in thesupervision of autonnttic sprinkler systems.

One of the objects of my invention is to provide an alarm signal systemindicating or transmitting a series of separate and distinctive alarmsor signals of abnormal conditions of each of the various appliances of asprinkler system under supervision with means for indicating ortransmitting a separate and distinctive alarm or signal upon restorationto normal of each of such abnormal conditions without interference orconfusion of signals.

Anotherobject of my invention is to provide an alarm system forautomatically indicating or transmitting a series of separate anddistinctive signals or alarms, indicative of abnormal conditions of theparticular features or appliances under supervision with means forindicating a separate and distinctive alarm or signal upon restorationof the entire system to normal. t

Various other features of my invention will be more fully set forth inthe description of the accompanying drawings forming a part of thisspecification, in whichw Figure l is a diagrammatic view of my alarmsignal system in complete form. Fig. 2 is a diagrammatic viewillustrating the -system of Wiring of the normal signal and its control.

The general features of my system are disclosed and described in LettersPatent issued to me February l, 1910, No. 948,055, relating to thecontrol of abnormal signals and therefore I Will herewith only brieflydescribe the same.

In the description following, I shall term each appliance undersupervision as a con.- troller, provided Wit-h means for making andbreaking an electric circuit or circuits, either manually orautomatically according to the nature of the appliance applied to, andoperative in connection with a valve, pressure, temperature, water levelgaging apparatus, Water tlowfand the likeappli-` ances requisite for acomplete supervision of a sprinkler system.

ln general the system is maintained under constant testI 'from thecentral or supervisory station in normal condition directly with each ofthe controllers, :independent of the signal indicating or transmittingmechamsm.

ln a movement to abnormal of any one or more of the particular featuresunder supervision, a controller thereof is operated, breaking twocircuits, one the test line between controllers and central station anda second to the signal mechanism of such abnormal controllers, eachcontroller having its independent signal meehanisn'l. llach signalmechanism comprises a magnet and an armature lever, controlling a seriesof electric circuit make and break means, a lock magnet and its armaturelever for locking the main armature lever against actuation during thetransmission of a preceding signal, and means for controlling themovement of the main armature level' for producing the variousactuations, for transmission and non-interference of siflfnals, as isfully described in my aforesaid Letters latent.

l, 2, 3, fl and 5 represent the controllers of the various particularfeatures under supervision.

l, 2, 3, il-f1 and 5 represent signal transmission devices for theresliective controllers l, 2, 5l, Il and ln each set (i represents a`inain magnet, 7 an armature lever therefor,

which, in step movement, controls a series of electric circuits orcircuit make and break devices.

S represents a circuit controlling or switch mechanism, actuated by thearmature lever 7 for completing the main or metallic signal circuit tothe signal break wheel n.

f) rel'n'eseuts the switch mechanism for the ground signal circuit andl() the switch mechanism for lock magnets, ll., switch mechanism for thefinal closing of the main signal circuit after the transmission of asignal.

l2 represents the lock magnet coil and 13 the lock armature leveradapted, when the magnet coil 12 is energized, to engage the armaturelever 7 within predetermined limits of its movement to prevent furthermovement thereof, a provision to prevent the switch mechanism, of two ormore signal transmitting devices, closing simultaneously.

14, 15 represent wires in connection with the source of electric supply1G.

The following plan of wiring is duplicated for each controller and itsrespective signal transmission mechanism: 17 represents wire inconnection with the supply wire 15, and one pole of the magnet 6. 18represents a wire in connection with'the opposite pole of the magnetcoil 6 and switch mechanism 19 of the controller 1. 2O represents a wireconnected with the switch mechanism 19 and supply wire 14. Under normalcondition of the system of each particular feature under supervision,the controller thereof occupiesv a position to maintain the switchmechanism closed, completing the circuit to the magnet 6, energizing thesame. A normally closed circuit is maintained as the same isv a standardin commercial use, it is obvious, however, that the same can be operatedon other types of circuits as far as the features. of this invention areconcerned. Therefore, with a closed circuit normally the armature levers7 will he attracted to their respective magnet coils.

The lock magnets of the series are in series wiring with each other, andtheir controlling switch mechanism is in multiple wiring..

Therefore when the switch mechanism 10 of any one of the series isclosed all the lock magnet coils of the series will be energized,attracting theirrespective armature levers. The wiring preferably is asfollows: 21 represents a wire in connection with supply wire 15 andconnected in multiple to one pole of all the switch mechanism 10, and 22represents a wire connecting the opposite poles of the switch mechanisms10 in multiple, with said wire leading to and connected in series withthe lock magnets 12. The last magnetcoil of the series is connected by awire 23 to the supply wire 14. thus any one of the switches 10 whenclosed will complete the circuit to all lock mag-V nets and operatetheir respective armature levers 13.

The armature levers '7 of the series are, when released, controlled intheir movement by a cam or guide wheels constructed and arranged, ortime controlled relative to each other, so that no two armature levers 7can simultaneo-usly occupy a position to close the switch 8, 9 and 10.

A type of mechanism for controlling each armature lever to produce thestepr movements is shown and described in my former patent aforesaid.This comprises a cam or guide wheel for each armature lever 7, with allpreferably mounted upon and fixed to rotate with a single shaft, drivenby a single source of motive power. The guide wheels are so arranged asto permit its respective armature lever to swing to a second position,

'or position closing the switch mechanisms 8, 9 and 10, at only apredetermined point in each rotation thereof, and with this point ineach of the guide wheels of the series set in staggered relation to eachother, making it impossible, for two armature levers, to simultaneouslyoccupy such switch closing position.

The signal transmitting wiring is substantially the same as thatdisclosed in my said patent, and therefore it is thought further detaildescription of operation is unnecessary.

The general arrangement of my present invention can be more clearlyunderstood by reference to Fig. 2, in which all other features areeliminated.

The armature levers 7 of the series are each provided with a switchmechanism 24, in which o-ne pole of each is connected in multiple with awire 25 to the magnet coil 26, of the normal signal transmittingmechanism 27.

29 represents a wire connecting the opposite pole of magnet coil 26 tothe supply wire 15. 30 represents a wire connecting the opposite polesof the switch mechanisms 24 of the series, in multiple with the supplywire 14. Thus, when any one of the said switches 24 is closed,completing the circuit, the magnet coil 26 will be energized attracting`its armature lever and thereby close the switch mechanism 31, which inthis instance controls the source of electric supply to the `motor 32. V

The armature lever 7, of the normal signal transmitting mechanism 27,operates in substantially the same manner as the armature levers 7 ofthe abnormal transmitting mechanism of each particular feature undersupervision as heretofore described. It is also controlled in itsmovement when released by its magnet coil by a cam or guide wheel fixedto the same shaft as the guide and signal indicating wheels of thetransmitting mechanisms 1a, etc., of the series, to produce step-likeaction and operate various switch mechanism at proper intervals. Itassumes a reverse position from the abnormal indicating or transmittingmechanism, inv

that, when any of the magnet coils 6 of the series are deenergized, coil26, will be energized, and remain so until all of the magnet coils ofthe series are brought to normal, Aor energized. The switch mechanisms24 of the series remain closed as long as its respective armature leveris released from its magnet influence.

The switch can close the circuit .to the magnet coil 26 upon the firststep movement, or release of its armature lever and remain closed duringthe successive step movements of said lever, which is the operation inthis instance, wherein the armature lever of the normal signaltransmitting mechanism controls the motive power circuit. It is obvious,however, without departing from the features of my invention, that amotor controlling switch can be operated by each ol? the ar1na turelevers ot the series, both normal and abnormal transmitting mechanisms,wl'iereby upon any ariuatin'e release thc motor circuit will becompleted, thereby rotating` the shaft containing the signal and guidewheels, and .'turther the motor circuit can be cut-oltI when any one ormore ot' the armature levers come t0 a inal released position, aftersignal transmission. ln the wiring plan illustrated, the motor circuitcontrolled by the position of the armature lever otl the normal signaltransmitting mechanism 27, is not broken until ai'ter restoration ofabnormal conditions o the system under supervision and after the normalsignal has been transmitted.

its these devices and systems must comply with conditions made by tireinsurance companies or ui'ulerwriters, differing in localities, and meetconditions also ot a geueral organization, its laboratory regulationsand tests, therefore the method ot motor control is optional, but themotor must be in commission immediately when the system becomes abnormalin any one or more o'tf its particular features under supervision, andupon restoration :tor the normal signal transmission.

As the armature lever of the normal signal transinitting mechanism 27,is under similar step control as the abnormal signal translnittingmechanism it is likewise provided with similar switch mechanism forcontrolling the ground and lock magnet cir cuits, namely switchmechanism 9 and l0.

rlhe system is maintained under test in su stantially the same manner asillustrated in my said prior patent, and as is illustrated herewith, andtherefore the description as to details herewith omitted. ln generalhowever, each controller of the series is wired in series with the mainor metallic signal circuit, leading to the central or signal receivingstation, maiiitaining a test direct with the controllers which would beindicative of an open line it a controller became abnormal, and thetransmitter tailed to operate. rlhe switch mechanism ll o'l eacharniature lever 7 short circuits such break after a signal transmission,placing the signal circuit again under test through the switch mechanismot' the transmitting mechanism in place of the controller. rlhus thearmature lever ot' the normal transmitting mechanism 27, is not providedwith or controls a main or metallic signal circuit switch, but only withthe ground signal circuit switch, and only one hind of signal istransmitted for normal indication, instead ot two kinds o't signal ofduplicate indication -for abnormal, namely metallic and ground; for thereason that the main line would have to loe again opened or broken. Onekind oit normal signal is usually sul'licient. .l`luirelore by operatingin this manner the main circuit is not completed through any ol thetransmitting mcchanormal lransn'iilling mechanism 37, whcreby such mainline or closed circuit signal can be transmitted without departing tromthe features ot' my invention.

lt is quite obvious that various modilications can be made withoutdeparting from the `features ol my invention, but I believe l am thetirst to provide a system automatically indicating or transmitting aseries of separate aud distinctive signals, indicative ot abnormalconditions oit the 'features or appliances under supervision andindicating or transmitting a separalc and distinctive signal or alarmupon restoration of the entire system to normal without intel-terence orconfusion ot any of the signals.

Havingdescribed my inyentioml claim :u-

l. In an alarm system, one or more controllers ol a system undersupervision, independentalarm signal mechanism for each controller,means governed by the abnormal conditions oit the controllers forautomatically transu'xilting an iniflcpcildent signal for eachcontroller, locking out the transmission oit a signal or signals o'labnormal controllers during the transmission oli one oli them, and meansYlor automatically transmitting a signal upon rcstrn-ation ot allcontrollers to normal.

2. ln an alarm system, one or more controllers oit a system undersupervision, alarm signal mechanism, means tor setting said alarm signalmechanism into ope 'ation alfter one or more oil said controllers becomeabnormal. means ilor automatically, serially ei lecting a signaltransmission oit independent signals t'or cach almormal controller, andmeans ilior aulonnitically transmitting a signal upon restoration ot allcontrollers to normal.

3. ln an alarm sys-lem, onc or more controllers ot a system undersupervision, an alarm circuit maintained under test condition with saidcontrollers in normal condition thereol."` and n aus governed by theabnormal conditions oil thc controllers .tor antrnnatically, seriallytransmitting an independent signal tor each abnormal controller,maintail'ling the alarm circuit in transn'1it ting and under testcondition during the abnormal condition ol the controllers, and means:lor automatically transmitting a sig;- nal upon restoration of thesystem to normal ind icative thereot.

4:. .lin an alarm sy tem, one or more features under supervision, meanstor autotrolled thereby indicative of distinguishable signals for eaclichange of condition, and a signal device responsive to the condition ofAsaid signal devices indicative of a distinguisliable signal ofrestoration to normal of all tbe devices.

OLVER B. KAlSER. Witnesses C. W. FOWLER, ANNIE COOPER.

Copies of this patent may be obtained for ve cents each, by addressingthe Commissioner of Patents` Washington, D. C.

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